2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/167440A surprising number of new c c-bar mesons with masses above the D D-bar threshold have been discovered at the B factories. Some of them are ordinary charmonium states, but others are definitely exotic mesons. The current theoretical status of the new c c-bar mesons is summarized.11 pages, 1 figure, talk presented at Continuous Advances in QCD 2008, Minneapolis, May 2008High Energy Physics - Phenomenologytext